Also adds WPT reftests to validate alignment behavior in horizontal and vertical writing modes with the different `alignment-baseline` values. Additionally: - The `alignment-baseline: middle` tests have failing expectations. This is because the existing implementation does not match the css-inline-3 definition (which the new WPTs follow). See Bug 2030203. - The WidthTest-Regular.otf support font was updated to remove its unusual ideographic-under baseline value, which affected its synthesized central baseline. With the new support for `alignment-baseline: central`, this broke a number of `text-combine-upright-compression-*` WPT reftests. The non-centered baseline values were removed from this test using FontForge, so that the synthesized central baseline matched the expectation of the test references. Differential Revision: https://phabricator.services.mozilla.com/D292136
25 lines
877 B
HTML
25 lines
877 B
HTML
<!DOCTYPE html>
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<html>
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<head>
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<link rel="help" href="https://drafts.csswg.org/css-inline-3/#alignment-baseline-property">
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<link rel="match" href="alignment-baseline-nested-001-ref.html">
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<link rel="stylesheet" href="/fonts/baseline-diagnostic/baseline-diagnostic-font.css">
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<meta name="assert" content="alignment-baseline aligns inline boxes to their parent's alignment baseline" />
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<meta name="flags" content="image" />
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<meta charset="utf-8">
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<style>
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:root {
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font: 240px/1 'BaselineDiagnostic';
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}
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span > span {
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font-size: 0.5em;
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}
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</style>
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</head>
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<body>
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<div id="container">
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<span>X<span style="alignment-baseline: hanging">X<span style="alignment-baseline: ideographic">X<span style="alignment-baseline: mathematical">X<span style="alignment-baseline: baseline">X</span></span></span></span></span>
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</div>
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</body>
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</html> |